Finding the Fourth Proportional to 113.97, 157.08 and 94.26
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Solution
The fourth proportional to 113.97, 157.08 and 94.26 is: 129.91
Step by Step Solution
- Step 1: Write the proportion equation
113.97 : 157.08 = 94.26 : x - Step 2: Convert to fraction form
113.97/157.08 = 94.26/x - Step 3: Cross multiply
113.97x = 157.08 × 94.26 - Step 4: Simplify right side
113.97x = 14,806.36 - Step 5: Solve for x
x = 14,806.36/113.97 - Step 6: Final answer
x = 129.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.